Researchers conducted a telephone survey of 427 adults living in a large city. T

Question

Researchers conducted a telephone survey of 427 adults living in a large city. The adults were asked whether they planned to purchase a smart watch in the next year. The table shows the responses categorized by the region of the city in which the residents live No 38 76 98 98 Yes North East South West 32 38 23 Which of the following graphical displays is most appropriate for comparing the proportions of those surveyed who plan to purchase a smart watch within the four regions? (A) A scatterplot (B) A boxplot (C) A segmented bar chart (D) A back-to-back stemplot (E) A dotplot

Explanation / Answer

Solution:

Best graphical display for this data is segmented bar chart.

Because scaterplot tells us correlation b/w two numerical variables so we can not use scatter plots for this.

Boxplot tells about the frequency of data in given range so we cannot use boxplot.

Stem and leaf display also used for find frequency of data in given range.

Dotplot is also used for numerical data so we can not use this for this data.

Ao segmented bar chart is the option which can be used for this data representation.

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